In the aftermath of the recent superstorm that slammed the east coast of North America, studies on butterflies and other life forms shifting their ranges in response to climate change have taken on a new urgency.

WildMetro, a conservation group dedicated to preserving and enhancing natural areas in urban environments, is battling invasive plants, saplings that want to be shade trees and vandals in an effort to maintain a beautiful meadow in the Bronx.

A species of wasp is being enlisted by forestry agents and conservationists in the eastern USA and Canada to detect and monitor the spread of a destructive invasive beetle known as the Emerald Ash Borer.